CN108299933A - Thermal dispersant coatings and preparation method thereof - Google Patents
Thermal dispersant coatings and preparation method thereof Download PDFInfo
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- CN108299933A CN108299933A CN201610686255.7A CN201610686255A CN108299933A CN 108299933 A CN108299933 A CN 108299933A CN 201610686255 A CN201610686255 A CN 201610686255A CN 108299933 A CN108299933 A CN 108299933A
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- dispersant coatings
- thermal dispersant
- heat dissipation
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- metal
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/10—Encapsulated ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
Abstract
A kind of thermal dispersant coatings of present invention offer and preparation method thereof, the constituent of wherein thermal dispersant coatings includes：Adhesive and heat dissipation filler, the heat dissipation filler is the metallic of a kind of porous oxides with metal inner core and with high surface area or hydroxide shell, thermal dispersant coatings of the present invention can be applied to the surface of such as, but not limited to filament, radiating fin, shell and handle these devices, and the material of described device can be plastics, ceramics, metal and its composite material；Thermal dispersant coatings of the present invention can improve the rate of heat dissipation of described device by way of thermal convection current and heat transfer.
Description
Technical field
The present invention relates to a kind of heat sink materials, especially with a kind of with metal inner core and with high surface area
Thermal dispersant coatings and preparation method thereof of the metallic of porous oxides or hydroxide shell as heat dissipation filler.
Background technology
Electronic device will produce heat in running, this is because the heat that electric current is generated by the impedance of circuit, such as electricity
Stream is generated heat by resistance；It is produced as the power continuous improvement of electronic device and the volume of electronic device are more and more small
Heat it is also more and more big, it is known that heat electronic device can be caused undesirable influence and lead to the problem of it is many, such as seriously
Damage safety, efficiency and the reliability of electronic device.
The radiating mode being currently known can divide into three kinds according to the circulation way of heat, be heat transfer respectively
(Conduction), thermal convection current (Convention) and heat radiation (Radiation).Wherein heat transfer is the molecule by substance
In lattice vibration, or by the transport of free electron, the mistake for making heat be transmitted from the high temperature position of object to low temperature position
Journey, wherein again the most apparent with the heat transfer phenomenon between solid matter and solid matter, metal has in all solids substance
Best thermal conduction effect.
Since heat can change the density of fluid, absorbing the fluid of heat can rise because density is lower so that near
The higher fluid of density is moved through to fill up, this as thermal convection current by the way that heat is propagated in the flowing of fluid the phenomenon that, therefore,
Thermal convection current is mainly the propagation by the mobile realization heat of the molecule of fluid (including liquids and gases).
Heat radiation is to propagate heat in the form of an electromagnetic wave, and need not can be carried out heat by any substance
Propagation, therefore vacuum environment also can pass through heat radiation carry out heat propagation.
In order to avoid excessive heat damages the part of electronic device, and the efficiency of electronic device is not influenced,
Thermal dispersant coatings become improve rate of heat dissipation effective method, it has been disclosed that patent such as United States Patent (USP) US20070249755A1
" Thermally Conductive Composition " and Chinese patent CN102181212A " a kind of heat sink material and its system
Preparation Method " proposes high-effect heat conducting material or efficient infrared radiation powder for being coated on radiating fin, on
It states two published patented technologies mainly to radiate by way of heat transfer and heat radiation, and passes through the material
Material improves cooling or heat dissipation ability.Such as a kind of heat sink material disclosed in Chinese patent CN102181212A therein, wherein
It is more than 0.80 or mixing material of the thermal coefficient more than 5W/m.K containing far infrared transmissivity.
About the radiating mode of thermal convection current, the heat dissipation area for increasing heat source and fluid contact can effectively improve thermal convection current
Heat dissipation effect, it is known that metal fin or frame structure are mainly used in such a way that thermal convection is radiated,
Increase the heat dissipation area of heat source and fluid contact, such as published European Union's patent EP0559092 A1 " Metal foam heat
Dissipator ", discloses a kind of metal framework that can be formed with radiator as radiating fin, and wherein metal framework is straight
The surface for being attached to metal radiator is connect, but this design is because contact surface there are small space and has used low lead
The viscose of hot coefficient, and have contact surface of the larger thermal contact resistance between metal heat sink and metal framework；In published
State patent CN102368482A " high-efficiency radiator of porous metal structure " is also disclosed a kind of by metal framework and radiator
The technology combined, but how to be integrated in practice and ensure its integrality, it is still a challenge in practice.
Among the relatively early invention patent application case (AMP07668＆AMP07583) proposed by present invention applicant, propose
Use a kind of ink painting containing graphene (graphene) and hexagonal boron nitride (hBN, hexagon BoronNitride)
It is distributed in the surface of heat source, to improve the technology of rate of heat dissipation.In two above-mentioned patents of invention, laminar graphene and six
Square boron nitride can be considered a kind of small fin being centered around except heat source, to increase the surface area of heat source, and this be coated on
The ink of graphene and hexagonal boron nitride is contained on the surface of heat source, can significantly increase the rate of heat dissipation of thermal convection current.
It is closed on the surface of aluminium powder using hydro-thermal method (hydrothermal method) or aciding (acid-eching)
At a kind of porosity and the method for the nucleocapsid of the aluminium oxide (Al2o3) with high surface area has been suggested
" ChemCatChem, 6 (2014) 2642 ", " Cent.Eur.J.Phys, 8 (2010) 1015 ".But this nucleocapsid application
In heat dissipation, there are still some problems, such as is synthesized using hydro-thermal method and a kind of having porous oxides on the surface of metallic
Nucleocapsid needs to react generation in autoclave (autoclave) under the temperature condition higher than the boiling point of water, and this profit
The metallic made of hydro-thermal method has thick metal oxide layer, can lead to poor thermal conductivity.Using aciding synthesis
The use of mode, nitric acid will will produce a large amount of toxic solvent, and can cause environmental pollution.
Invention content
The technical problem to be solved in the present invention is to provide a kind of thermal dispersant coatings and preparation method thereof, especially with one kind
The metallic of porous oxides or hydroxide shell with metal inner core and with high surface area is as heat dissipation
The thermal dispersant coatings of filler have the advantages that rate of heat dissipation is good and preparation method is simple and environmentally-friendly and quick.
In an embodiment of thermal dispersant coatings of the present invention, including：Radiate filler and adhesive, wherein heat dissipation filler is a kind of tool
There are the metallic of metal inner core and porous oxides or hydroxide shell with high surface area, wherein porosity
The average pore size of shell is less than 500 nanometers (nm).
In one embodiment of the invention, wherein heat dissipation filler is the aluminium gold that surface has porous oxides or hydroxide
Belong to particle.
In one embodiment of the invention, wherein the average grain diameter of the metal inner core of heat dissipation filler is between 0.1-200 microns of (μ
m)。
In one embodiment of the invention, wherein the metal inner core of heat dissipation filler is aluminium (Al), indium (In), tin (Sn), zinc
(Zn), copper (Cu), silver-colored (Ag), cobalt (Co), nickel (Ni), antimony (Sb), bismuth (Bi), iron (Fe), manganese (Mn), chromium (Cr), molybdenum (Mo), tungsten
(W), vanadium (V), titanium (Ti), zirconium (Zr), magnesium (Mg) and calcium (Ca) are therein any.
In one embodiment of the invention, preferably the metal inner core of wherein heat dissipation filler is aluminium (Al).
In one embodiment of the invention, wherein adhesive can be thermoplastic resin (Thermoplastic resin), silicon
Glue (silicone resin), methacrylic resin ((meth) acrylic resin), polyurethane resin adhesive (urethane
Resin) and epoxy resin (epoxy resin) is therein any.
In one embodiment of the invention, wherein thermal dispersant coatings further include further：Ceramics, metal oxide and metallic hydrogen
Oxide any filler therein is used in conjunction with the heat dissipation filler of the present invention.
In order to improve the surface area for the heat dissipation filler for being applied to thermal dispersant coatings, herein, the invention discloses it is a kind of simple,
Environmental protection and quickly heat dissipation filler preparation method can have so that immersion method preparation is a kind of in metal under conditions of opposite Wen Sheng
Core and with high surface area porous oxides or hydroxide shell heat dissipation filler.
The preparation method of the present invention further includes the method for preparing thermal dispersant coatings using the heat dissipation filler.
One embodiment of the preparation method of thermal dispersant coatings of the present invention includes：
It is aoxidized by metal powder with immersion method (water bath) synthesis one kind with metal inner core and with porosity
The metallic of object or hydroxide shell is as heat dissipation filler；And
To radiate filler and adhesive is uniformly mixed into the thermal dispersant coatings.
One embodiment of preparation method of the present invention, the wherein reaction temperature of immersion method are 20-100 degree (20-100 Celsius
℃)。
The reaction temperature of one embodiment of preparation method of the present invention, wherein immersion method is preferably 50-100 degree (50- Celsius
100℃)。
In an embodiment of preparation method of the present invention, wherein further comprising：
The step of washing, to clean the heat dissipation filler of immersion method synthesis；And
Dry step, to remove the moisture for the heat dissipation filler that cleaning is completed.
In an embodiment of preparation method of the present invention, wherein further comprising：By comprising heat dissipation filler and adhesive dissipate
Hot coating and the mixed uniformly step of solvent.
The detailed content of other effects and embodiment for the present invention, cooperation schema are described as follows.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the micro-structure schematic diagram of thermal dispersant coatings of the present invention；
Fig. 2 is the partial structurtes enlarged drawing of Fig. 1, is painted the structure of the metallic as heat dissipation filler；
Fig. 3 is coated on the structural schematic diagram on the surface of device for thermal dispersant coatings of the present invention；
Fig. 4, to be coated with heat dissipation of the test sample 3 in contrast to test sample 2 and test sample 1 of thermal dispersant coatings of the present invention
Curve；
Fig. 5, the scanning electron microscope of the thermal dispersant coatings of the present invention heat dissipation filler therein to be coated on test sample 3
Image；
Fig. 6, the scanning electron microscope of the first thermal dispersant coatings heat dissipation filler therein to be coated on test sample 2
Image.
Symbol description
10 heat dissipation 11 metal inner cores of filler
12 shell, 20 adhesive
30 device A thermal dispersant coatings
Specific implementation mode
It is the micro-structure schematic diagram and its partial structurtes enlarged drawing of thermal dispersant coatings of the present invention referring initially to Fig. 1 and Fig. 2.
An embodiment of thermal dispersant coatings A of the present invention, including：Radiate filler 10 (heat dissipation filler) and
Adhesive 20 (binder), wherein heat dissipation filler 10 is a kind of with metal inner core 11 and with the porosity of high surface area
The metallic of oxide or hydroxide shell 12；In other words, heat dissipation filler 10 includes：Microgranular metal center portion, and
The porous oxides or hydroxide shell 12 on the surface in metal center portion are formed in, wherein metal center portion constitutes heat dissipation and fills out
The metal inner core 11 of material 10, porous oxides or hydroxide constitute a kind of shell 12 with high surface area, by metal
Kernel 11 and the shell 12 on the surface for being formed in metal inner core 11 constitute a kind of nucleocapsid (core-shell structure).
Referring to Fig. 3, being coated on the structural schematic diagram on the surface of device 30 for thermal dispersant coatings A of the present invention.The present invention discloses
Thermal dispersant coatings A can be directly coated at the surface of device 30, heat dissipation filler 10 therein be it is a kind of there is metal inner core 11 and
And the metallic of the porous oxides or hydroxide shell 12 with high surface area, it is used according to metal inner core 11
Metal, the shell 12 synthesized by immersion method may be that metal oxide, ceramics and metal hydroxides are therein any, this
Porous shell 12 of the kind with high surface area can improve dissipating for device 30 by heat transfer and thermal convection current two ways
Heating rate (heat dissipation rate) or cooling rate (cooling rate).
Thermal dispersant coatings A disclosed by the invention is applicable to filament (filament), handle, cylinder, radiating fin (heat
Sink) and the surface of the devices such as shell (case), wherein the material of described device can be plastics, ceramics, metal and its compound
Material.
In one embodiment of the invention, wherein the average grain diameter of the metal inner core 11 of heat dissipation filler 10 is micro- between 0.1-200
Rice (μm).Preferably, wherein the average pore size of porous shell 12 is less than 500 nanometers (nm).
In one embodiment of the invention, wherein the metal inner core of heat dissipation filler 10 is aluminium (Al), indium (In), tin (Sn), zinc
(Zn), copper (Cu), silver-colored (Ag), cobalt (Co), nickel (Ni), antimony (Sb), bismuth (Bi), iron (Fe), manganese (Mn), chromium (Cr), molybdenum (Mo), tungsten
(W), vanadium (V), titanium (Ti), zirconium (Zr), magnesium (Mg) and calcium (Ca) are therein any.
In one embodiment of the invention, preferably the metal inner core 11 of wherein heat dissipation filler 10 is aluminium (Al).
In one embodiment of the invention, wherein adhesive 20 can be thermoplastic resin (Thermoplastic resin),
Silica gel (silicone resin), methacrylic resin (methacrylic resin), polyurethane resin adhesive (urethane
Resin) and epoxy resin (epoxy resin) is therein any.
In one embodiment of the invention, wherein thermal dispersant coatings further include further：Ceramics, metal oxide and metallic hydrogen
Oxide any filler therein is used in conjunction with the heat dissipation filler of the present invention.
In order to improve the surface area for the heat dissipation filler 10 for being applied to thermal dispersant coatings A, herein, the invention discloses a kind of letters
Single, environmental protection and quickly heat dissipation 10 preparation method of filler, can prepare one kind under conditions of opposite Wen Sheng with immersion method has
Metal inner core 11 and with high surface area porous oxides or hydroxide shell 12 heat dissipation filler 10.
The preparation method of the present invention further includes the method for preparing thermal dispersant coatings A using the heat dissipation filler 10.
One embodiment of the preparation method of thermal dispersant coatings of the present invention includes：
By metal powder with immersion method (water bath) synthesis one kind with metal inner core 11 and with porosity oxygen
The metallic of compound or hydroxide shell 12 is as heat dissipation filler 10；And
To radiate filler 10 and adhesive 20 is uniformly mixed into the thermal dispersant coatings A.
One embodiment of preparation method of the present invention, the wherein reaction temperature of immersion method are 20-100 degree (20-100 Celsius
℃)。
The reaction temperature of one embodiment of preparation method of the present invention, wherein immersion method is preferably 50-100 degree (50- Celsius
100℃)。
In an embodiment of preparation method of the present invention, wherein further comprising：
The step of washing, to clean the heat dissipation filler 10 of immersion method synthesis；And
Dry step, to remove the moisture for the heat dissipation filler 10 that cleaning is completed.
In an embodiment of preparation method of the present invention, wherein further comprising：To include heat dissipation filler 10 and adhesive 20
Thermal dispersant coatings and the mixed uniformly step of solvent.One embodiment of wherein solvent includes：Isopropanol (isopropyl
Alcohol, IPA), N-Methyl pyrrolidone (Methyl-2-pyrrolidone, NMP), ethyl alcohol (ethanol), glycerine
(glycerol), ethylene glycol (ethylene glycol), butanol (butanol), propylene glycol monomethyl ether (propylene glycol
Monomethyl ether, PGME) and propylene glycol methyl ether acetate (propylene glycol monomethyl ether
Acetate, PGMEA) it is therein any.
In order to assess the rate of heat dissipation of thermal dispersant coatings A of the present invention, the present invention has carried out test as described below；In following surveys
The present invention has made the test that three kinds of test samples carry out rate of heat dissipation, the survey of these three test samples using identical copper post in examination
Strip part is as follows：
The copper post of thermal dispersant coatings processing is not made on sample 1, surface.
The copper post of the first thermal dispersant coatings processing is passed through on sample 2, surface, the first thermal dispersant coatings used contain without place
As heat dissipation filler, the compositions and preparation method thereof of wherein the first thermal dispersant coatings please refers to saying hereafter for the metal aluminum particulate of reason
It is bright.
Sample 3, the copper post of thermal dispersant coatings disclosed by the invention processing is passed through on surface, using thermal dispersant coatings proposed by the present invention
Composition and preparation method thereof please refer to following the description.
【The composition of the first thermal dispersant coatings and preparation method thereof that sample 2 uses】
Taking 30 grams of (30g) untreated metallic aluminium powders, (average grain diameter is 10 microns (μm) at 140 degree Celsius (140 DEG C)
Vacuum oven in stand a night and be dried, the scanning electron microscope of contained aluminum particulate in the untreated aluminium powder
(scanning electron microscope, SEM) image is as shown in Figure 6.Made of metallic aluminium powder using above-mentioned drying
The composition of the first thermal dispersant coatings includes：The above-mentioned aluminium powder of 18.7% weight percent as filler, 5.8% weight percent
The isopropanol (isopropyl alcohol, IPA) of plasticity adhesive and 75.5% weight percent is used as solvent, to drop
Low stickiness；Above-mentioned constituent is sufficiently stirred with planetary mixer, the first described thermal dispersant coatings are made within 1 hour, then with spray
The first thermal dispersant coatings is sprayed at the test that copper post surface carries out rate of heat dissipation described below by mist processing procedure.
【A kind of embodiment of composition and preparation method thereof of thermal dispersant coatings of the present invention used in sample 3】
Taking 30 grams of (30g) untreated metallic aluminium powders, (average grain diameter is the burning of 10 microns of (μm) mergings 500 milliliters (ml)
The deionized water of 300 grams (300g) is added in cup in beaker, 1 small under conditions of absolute temperature 323 degree (323K) with immersion method
When, it is a kind of with aluminum metal kernel and with the aluminum metal particle of porous oxides or hydroxide shell work to synthesize
For the filler of thermal dispersant coatings of the present invention, with wash line clean it is above-mentioned with aluminum metal kernel and with porous oxides or
The aluminum metal particle of hydroxide shell, the aluminum metal particle that cleaning is completed is in the vacuum oven of 140 degree Celsius (140 DEG C)
Standing a night is dried, the scanning type electricity as heat dissipation 10 aluminum particulate contained therein of filler in thermal dispersant coatings of the present invention
Sub- microscope (scanning electron microscope, SEM) image is as shown in Figure 5.Use the metallic aluminium of above-mentioned drying
The composition of the first thermal dispersant coatings made of powder includes：The above-mentioned aluminium powder of 18.7% weight percent is as filler, 5.8% weight
The plasticity adhesive of percentage and the isopropanol (isopropyl alcohol, IPA) of 75.5% weight percent are as molten
Agent, to reduce stickiness；Above-mentioned constituent is sufficiently stirred with planetary mixer, the first described heat-radiation coating is made within 1 hour
Layer, then the first thermal dispersant coatings is sprayed at by the test that copper post surface carries out rate of heat dissipation described below with processing procedure of spraying.
【Testing procedure】
(1) by above-mentioned three kinds of test samples in an oven with the heating 30 minutes of (100 DEG C) of 100° centigrade；
(2) three kinds of test samples (sample 1, sample 2 and sample 3) after above-mentioned heating are moved into room temperature environment cooling, and
The cooling curve for noting down lower three kinds of test samples is as shown in Figure 4.
By the test result of Fig. 4 it can be found that wherein surface is coated with the test sample 3 of thermal dispersant coatings disclosed by the invention
The rate of heat dissipation of (curve-Coating by treated Al core-shell particles in Fig. 4) is substantially better than test specimens
This 1 (curve-Pristine Cu Cylinder in Fig. 4) and test sample 2 (curve-Coating by non-in Fig. 4
treated Al particles)。
Embodiment described above and/or embodiment are only the preferred embodiments for illustrating to realize the technology of the present invention
And/or embodiment, not the embodiment of the technology of the present invention is made any form of restriction, any people in the art
Member changes or is modified to other equivalent when can make a little in the range for not departing from the technological means disclosed in the content of present invention
Embodiment, but still should be regarded as and the substantially identical technology or embodiment of the present invention.
Claims (16)
1. a kind of thermal dispersant coatings, which is characterized in that including：Radiate filler and adhesive, which is synthesized using immersion method
A kind of nucleocapsid, which includes：Microgranular metal center portion, and be formed in the surface in the metal center portion
Porous oxides shell, wherein the metal center portion constitute the metal inner core of the heat dissipation filler, which is averaged
Aperture is less than 500 nanometers.
2. thermal dispersant coatings as described in claim 1, which is characterized in that the average grain diameter of the metal inner core of the heat dissipation filler is situated between
In 0.1-200 microns.
3. thermal dispersant coatings as described in claim 1, which is characterized in that the metal inner core of the heat dissipation filler be aluminium, indium, tin,
Zinc, copper, silver, cobalt, nickel, antimony, bismuth, iron, manganese, chromium, molybdenum, tungsten, vanadium, titanium, zirconium, magnesium and calcium are therein any.
4. thermal dispersant coatings as described in claim 1, which is characterized in that further include：Ceramics, metal oxide and metal hydroxide
Object any filler therein.
5. thermal dispersant coatings as described in claim 1, which is characterized in that the adhesive can be thermoplastic resin, silica gel, methyl
Acrylic resin, polyurethane resin adhesive and epoxy resin are therein any.
6. thermal dispersant coatings as described in claim 1, which is characterized in that the shell includes that ceramics and metal hydroxides are therein
It is any.
7. thermal dispersant coatings as described in claim 1, which is characterized in that the reaction temperature of the immersion method is 20-100 degree Celsius.
8. thermal dispersant coatings as described in claim 1, which is characterized in that the reaction temperature of the immersion method is 50-100 degree Celsius.
9. a kind of preparation method of thermal dispersant coatings, which is characterized in that including：
By metal powder with immersion method synthesis one kind with metal inner core and with porous oxides or hydroxide shell
Metallic, to as heat dissipation filler；And
The heat dissipation filler and adhesive are uniformly mixed into the thermal dispersant coatings.
10. the preparation method of thermal dispersant coatings as claimed in claim 9, which is characterized in that the metal inner core of the heat dissipation filler
Average grain diameter is between 0.1-200 microns.
11. the preparation method of thermal dispersant coatings as claimed in claim 9, which is characterized in that the metal inner core of the heat dissipation filler is
Aluminium, indium, tin, zinc, copper, silver, cobalt, nickel, antimony, bismuth, iron, manganese, chromium, molybdenum, tungsten, vanadium, titanium, zirconium, magnesium and calcium are therein any.
12. the preparation method of thermal dispersant coatings as claimed in claim 9, which is characterized in that the adhesive can be thermoplastic resin,
Silica gel, methacrylic resin, polyurethane resin adhesive and epoxy resin are therein any.
13. the preparation method of thermal dispersant coatings as claimed in claim 9, which is characterized in that the reaction temperature of the immersion method is Celsius
20-100 degree.
14. the preparation method of thermal dispersant coatings as claimed in claim 9, which is characterized in that the reaction temperature of the immersion method is Celsius
50-100 degree.
15. the preparation method of thermal dispersant coatings as claimed in claim 9, which is characterized in that further include：The step of washing, to clear
Wash the heat dissipation filler synthesized with immersion method；And dry step, to remove the moisture for the heat dissipation filler that cleaning is completed.
16. the preparation method of thermal dispersant coatings as claimed in claim 9, which is characterized in that including：It comprising the heat dissipation filler and will be somebody's turn to do
The thermal dispersant coatings of adhesive and the mixed uniformly step of solvent.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109128568A (en) * | 2018-08-09 | 2019-01-04 | 重庆源晶电子材料有限公司 | A kind of nano-core-shell structure soldering paste and preparation method thereof |
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| CN1847337A (en) * | 2005-03-31 | 2006-10-18 | 株式会社神户制钢所 | Coating metal with excellent heat diffusion character |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109128568A (en) * | 2018-08-09 | 2019-01-04 | 重庆源晶电子材料有限公司 | A kind of nano-core-shell structure soldering paste and preparation method thereof |
| CN109128568B (en) * | 2018-08-09 | 2021-09-17 | 重庆群崴电子材料有限公司 | Preparation method of nano core-shell structure soldering paste |
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